/*
 * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import ts from "typescript";
import { getNodeList } from "../utils/index.js";

const MAX_LINE_WIDTH = 120;
/**
 * @param {Object} sourceFile 使用typescript解析成的AST数据
 * @returns {number[]} 返回的异常行数
 *
 */
export const NotOverLineWidth = (sourceFile) => {
  const result = [];
  const list = sourceFile.text.split("\n");
  const map = new Map();

  const delintNode = (node) => {
    const { pos, end } = node;
    if (node.kind !== ts.SyntaxKind.SourceFile && end - pos > MAX_LINE_WIDTH) {
      const { line } = sourceFile.getLineAndCharacterOfPosition(
        node.getStart()
      );
      if (list[line].length > MAX_LINE_WIDTH && !result.includes(line)) {
        const nodeList = getNodeList(node);
        result.push({
          line,
          nodeList,
        });
      }
    }

    // 处理注释
    const sourceFileText = node.getSourceFile().text;
    const comments = ts.getLeadingCommentRanges(sourceFileText, node.pos);
    if (comments) {
      for (const comment of comments) {
        const key = `${comment.pos}-${comment.end}`;
        if (!map.has(key)) {
          const text = sourceFileText.slice(comment.pos, comment.end);
          const { line } = sourceFile.getLineAndCharacterOfPosition(
            comment.pos
          );
          const commentList = text.split("\n");
          for (let i = 0; i < commentList.length; i++) {
            if (commentList[i].length > MAX_LINE_WIDTH) {
              result.push({
                line: line + i,
                nodeList: [],
              });
            }
          }
        }
        map.set(key, 1);
      }
    }
    ts.forEachChild(node, delintNode);
  };

  delintNode(sourceFile);
  return result;
};
